Home / 11,206.86-15,465.79-6,171.39

Finding the Fourth Proportional to 11,206.86, 15,465.79 and 6,171.39

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Solution

The fourth proportional to 11,206.86, 15,465.79 and 6,171.39 is: 8,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.86 : 15,465.79 = 6,171.39 : x
  2. Step 2: Convert to fraction form
    11,206.86/15,465.79 = 6,171.39/x
  3. Step 3: Cross multiply
    11,206.86x = 15,465.79 × 6,171.39
  4. Step 4: Simplify right side
    11,206.86x = 95,445,394.75
  5. Step 5: Solve for x
    x = 95,445,394.75/11,206.86
  6. Step 6: Final answer
    x = 8,516.70

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.